A piece of string was cut into \[12\] equal pieces. The length of \[5\] such pieces is\[\frac{15}{8}m\]. Find the length of the original piece of string.

• A. \[4.8\,\,cm\]                  
• B.                    \[4.5\,\,cm\]                  
• C.                    \[0.375\,\,cm\]               
• D.                    \[4.5\,\,m\]